$2.$ In $2023,$ in China the annual inflation rate was equal to $0\mathrm{.}2\%,$ while in Switzerland inflation rate was$2\mathrm{.}1\%.$ According to PPP $($Purchasing Power Parity$)$ approach, we may expect that:a$)$ CNY should depreciate by $2\mathrm{.}3\%$ against the CHF$,$ over the yearb$)$ CNY should depreciate by $1\mathrm{.}9\%$ against the CHF$,$ over the yearc$)$ CNY should appreciate by $2\mathrm{.}3\%$ against the CHF$,$ over the yeard$)$ CNY should appreciate by $1\mathrm{.}9\%$ against the CHF$,$ over the yeare$)$ None of the above